Re: Setting environment variables with Make

[August Karlstrom]

Paul Jarc wrote:
> Ralf Wildenhues <Ralf.Wildenhues@gmx.de> wrote:
> > Each command line in a rule is executed by a separate shell invocation.
> > So use e.g.,
> >
> > foo:
> >         bar=`output of some command`; \
> >         echo $(bar)
>
> This shold be expanding a shell variable, not a Makefile variable, so
> one more change is needed:
>
> foo:
>         bar=`output of some command`; \
>         echo $${bar}
>
> Or if you want to check for failure in the first command:
>
> foo:
>         bar=`output of some command` && \
>         echo $${bar}

OK, thanks for the explanation Paul.


August